FreeBSD : libevent -- multiple vulnerabilities (b8ee7a81-a879-4358-9b30-7dd1bd4c14b1)

This script is Copyright (C) 2017 Tenable Network Security, Inc.


Synopsis :

The remote FreeBSD host is missing one or more security-related
updates.

Description :

Debian Security reports :

CVE-2016-10195: The name_parse function in evdns.c in libevent before
2.1.6-beta allows remote attackers to have unspecified impact via
vectors involving the label_len variable, which triggers an
out-of-bounds stack read.

CVE-2016-10196: Stack-based buffer overflow in the
evutil_parse_sockaddr_port function in evutil.c in libevent before
2.1.6-beta allows attackers to cause a denial of service (segmentation
fault) via vectors involving a long string in brackets in the
ip_as_string argument.

CVE-2016-10197: The search_make_new function in evdns.c in libevent
before 2.1.6-beta allows attackers to cause a denial of service
(out-of-bounds read) via an empty hostname.

See also :

http://www.openwall.com/lists/oss-security/2017/01/31/17
https://github.com/libevent/libevent/issues/317
https://github.com/libevent/libevent/issues/318
https://github.com/libevent/libevent/issues/332
https://github.com/libevent/libevent/issues/335
http://www.nessus.org/u?45e7187c

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 99556 ()

Bugtraq ID:

CVE ID: CVE-2016-10195
CVE-2016-10196
CVE-2016-10197

Ready to Amp Up Your Nessus Experience?

Get Nessus Professional to scan unlimited IPs, run compliance checks & more

Buy Nessus Professional Now